21471436

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{9239}}^1$

素因数の和:9333

約数の個数: 24

約数和(自身を含む): 43464960

約数和(自身を除く): 21993524

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 9239, 18478, 36956, 64673, 129346, 258692, 766837, 1533674, 3067348, 5367859, 10735718, 21471436]

約数ペア:

[(1, 21471436), (2, 10735718), (4, 5367859), (7, 3067348), (14, 1533674), (28, 766837), (83, 258692), (166, 129346), (332, 64673), (581, 36956), (1162, 18478), (2324, 9239)]